Flowering pattern in snap bean cultivars in Mendoza

QUIROGA AM.; BARZOLA E.; FLORES E.; LOYOLA P; GALMARINI, C.

Mendoza, Argentina

Congreso; XXVIII Reunión Científica Anual Sociedad de Biología de Cuyo; 2010

Sociedad de Biologia de Cuyo

Snap bean production is an important horticultural resource for Mendoza but shows abscission problems in set stage resulting in a minor percentage of differentiated flowers that transform in productive pots. This is a limiting in all bean species and is important to perform a technical tool in order to mitigate this difficulty. The objective of the present work is to study the flowering pattern in determinate and indeterminate cultivars in snap bean. This study was carried out at the experimental field of the Horticultural Institute of Facultad de Ciencias Agrarias. The experimental design was performed in blocks completely randomized, carried out with no soil water restriction, and covered by a plastic net in order to avoid hailing damage. Four cultivars were evaluated: 2 (two) with a determinate grown pattern (Negro enano and Victoria) and 2 (two) with an indeterminate grown pattern (Mendoza and Tupungato). During flowering stage the activities were the identification of every flower and the observation of set; later the study of development and growth of pots. When pots were ready it performs sequential and weekly harvest to evaluate production in each cultivar. The results indicate that there are a differential number of flowers associated to the date of flowering. Mendoza and Victoria cultivars are those with less number of flowers per plant.